Thermochemistry Quiz

Reactions that absorb heat are called:

• Exothermic

• Endothermic

• Catalytic

• Combustive

Tags

NGSS.MS-PS1-4

The energy used or produced during a chemical reaction is called the:

• Kinetic energy

• Potential energy

• Enthalpy or heat of reaction

• Activation energy

Tags

NGSS.HS-PS1-4

The specific heat of a substance tells how much energy is needed to raise the temperature of 1 gram of that substance by:

• 1°F

• 1°C

• 10°C

• 100°C

Tags

NGSS.HS-PS3-4

1 calorie is equal to:

• 3.14 joules

• 4.18 joules

• 5.00 joules

• 2.72 joules

An exothermic reaction is one that:

• Absorbs heat

• Gives off heat

• Requires a catalyst

• Is endothermic

Tags

NGSS.HS-PS1-4

The amount of energy required to raise the temperature of 1 gram of pure water by 1°C is exactly equal to:

• One joule

• One calorie

• One kilojoule

• One watt

Tags

NGSS.HS-PS3-4

Heat is the type of energy that always flows from:

• Cooler objects to warmer objects

• Warmer objects to cooler objects

• Solid objects to liquid objects

• Liquid objects to solid objects

Tags

NGSS.HS-PS3-4

Thermochemistry is the study of:

• Chemical reactions

• Physical changes

• Heat changes during chemical and physical changes

• Light changes during chemical reactions

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-4

Convert 640 J to cal:

• 300 cal

• 153 cal

• 126 cal

• 130 cal

Convert 350 cal to J:

• 1200 J

• 1463 J

• 1356 J

• 1478 J